Home / 810,171.06-1,118,058.64-447,618.30

Finding the Fourth Proportional to 810,171.06, 1,118,058.64 and 447,618.30

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Solution

The fourth proportional to 810,171.06, 1,118,058.64 and 447,618.30 is: 617,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,171.06 : 1,118,058.64 = 447,618.30 : x
  2. Step 2: Convert to fraction form
    810,171.06/1,118,058.64 = 447,618.30/x
  3. Step 3: Cross multiply
    810,171.06x = 1,118,058.64 × 447,618.30
  4. Step 4: Simplify right side
    810,171.06x = 500,463,506,618.07
  5. Step 5: Solve for x
    x = 500,463,506,618.07/810,171.06
  6. Step 6: Final answer
    x = 617,725.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.